Tongue scraper



FIG. 1 is a perspective view from the front of the tongue scraper embodying the ornamental design constituting my invention;

FIG. 2 is a front view thereof;

FIG. 3 is a view from the side thereof;

FIG. 4 is a top plan view thereof; and,

FIG. 5 is a bottom plan view thereof. 

The ornamental design for a tongue scraper, as shown and described. 